<?php declare(strict_types=1);

/**
 * This file is part of MadelineProto.
 * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
 * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU General Public License along with MadelineProto.
 * If not, see <http://www.gnu.org/licenses/>.
 *
 * @author    Daniil Gentili <daniil@daniil.it>
 * @copyright 2016-2025 Daniil Gentili <daniil@daniil.it>
 * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
 * @link https://docs.madelineproto.xyz MadelineProto documentation
 */

namespace danog\MadelineProto\EventHandler\Message\Service;

use danog\MadelineProto\EventHandler\Message\ServiceMessage;
use danog\MadelineProto\MTProto;

/**
 * The chat theme was changed.
 */
final class DialogSetChatTheme extends ServiceMessage
{
    /** @var ?string The emoji that identifies a chat theme, can be null for unique gift-based themes */
    public readonly ?string $emoticon;

    /** @var ?array https://docs.madelineproto.xyz/API_docs/constructors/chatThemeUniqueGift.html */
    public readonly ?array $uniqueGift;

    public function __construct(
        MTProto $API,
        array $rawMessage,
        array $info,
        array $theme,
    ) {
        parent::__construct($API, $rawMessage, $info);
        $this->emoticon = $theme['emoticon'] ?? null;
        // TODO: rm when all constructors are objects.
        if ($theme['_'] === 'chatThemeUniqueGift') {
            $this->uniqueGift = $theme;
        } else {
            $this->uniqueGift = null;
        }
    }
}
